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Current IssueDecember 20, 2014
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WC&P is proud to offer this comprehensive glossary to our readers and website visitors. This living document is intended to serve as an easy-to-use reference source for information on the POU/POE water treatment industry. 

 

Any suggestions or input that would further enhance or expand the glossary are strongly encouraged.

 

We would like to formally thank and credit such organizations as WQA, AWWA, WEF, Lenntech and other web glossary sources for providing some of the basis and background of this compendium.

Concentration polarization

The formation of a more concentrated gradient of rejected material near the surface of the membrane (in the boundary layer) causing either increased resistance to solvent transport or an increase in local osmotic pressure and possibly a change in rejection characteristics of the membrane (i.e., the salt concentration in the membrane boundary to the salt concentration in the bulk stream).